69 lines
2.2 KiB
HTML
69 lines
2.2 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title></title>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<script>
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/*
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* TODO:
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* - rewrite functions to not use copied functions
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* - add UI
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* - add style
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* - make everything not look like made at 0:41 on a phone
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*/
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function hex2Bytes(hexdata) {
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// https://stackoverflow.com/a/39396866
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var arr = hexdata.replace(/[^0-9a-fA-F]/g, '')
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.match(/[0-9a-fA-F]{2}/g);
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for(var i = 0; i<arr.length; i++) {
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arr[i] = parseInt(arr[i], 16);
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}
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return arr;
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}
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function bytes2Base64(byteArray) {
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// https://stackoverflow.com/a/11562550
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return btoa(
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String.fromCharCode.apply(
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null, new Uint8Array(byteArray)
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)
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);
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}
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function base64ToArray(base64) {
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// https://stackoverflow.com/a/21797381
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var binaryString = atob(base64);
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var bytes = new Uint8Array(binaryString.length);
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for (var i = 0; i < binaryString.length; i++) {
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bytes[i] = binaryString.charCodeAt(i);
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}
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return bytes;
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}
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function bytes2Hex(byteArray) {
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// https://stackoverflow.com/a/34310051
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return Array.from(byteArray, function(byte) {
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return ('0' + (byte & 0xFF).toString(16)).slice(-2);
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}).join('');
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}
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function infohash2Base64(infohash) {
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return bytes2Base64(
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hex2Bytes(infohash)
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);
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}
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function base642Infohash(b64) {
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return bytes2Hex(
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base64ToArray(b64)
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);
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}
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</script>
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</head>
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<body>
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open your console
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</body>
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</html>
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